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THOMAS MD40F-3 Female Motor Lead Disconnect, Body Size 3, Purple, Die Code 54 - Female Motor Lead Disconnects
THOMASFemale Motor Lead Disconnects

THOMAS MD40F-3 Female Motor Lead Disconnect, Body Size 3, Purple, Die Code 54

The THOMAS & BETTS Motor Lead Disconnect (MPN MD40F-3) is a female motor lead disconnect designed for 4/0 AWG to 2/0 AWG wire sizes. It features a purple body, is constructed from copper, and is a Body Size 3…

SKU 3G-OTH-129081

Also listed as: MD40F3 · MD40F 3

Brand
THOMAS
Item
MD40F-3 Female Motor Lead Disconnect, Body Size 3, Purple, Die Code 54
Part Number
MD40F-3
Category
Female Motor Lead Disconnects
Available to Order
Also known as:MD40F-3THOMAS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

THOMAS
Manufacturer Part Number
MD40F-3
Type
Body Size 3, Purple, Die Code 54

Technical Documents

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THOMAS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The THOMAS & BETTS Motor Lead Disconnect (MPN MD40F-3) is a female motor lead disconnect designed for 4/0 AWG to 2/0 AWG wire sizes. It features a purple body, is constructed from copper, and is a Body Size 3 component with Die Code 54.

Frequently Asked Questions

What is the THOMAS & BETTS Motor Lead Disconnect used for?

The THOMAS & BETTS Motor Lead Disconnect (MD40F-3) is used to safely connect and disconnect motor leads in industrial electrical systems. It is designed for copper conductors from 4/0 AWG to 2/0 AWG, making it suitable for heavy-duty motor control applications in manufacturing and process plants.

What are the specifications of the THOMAS & BETTS Motor Lead Disconnect?

The THOMAS & BETTS Motor Lead Disconnect (MD40F-3) is a female disconnect with a purple body, Body Size 3, and Die Code 54. It accepts wire sizes from 4/0 AWG to 2/0 AWG and is made of copper. The manufacturer part number is MD40F-3.

Where to buy the THOMAS & BETTS Motor Lead Disconnect worldwide?

You can source the THOMAS & BETTS Motor Lead Disconnect (MD40F-3) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the THOMAS & BETTS Motor Lead Disconnect?

To install the THOMAS & BETTS Motor Lead Disconnect (MD40F-3), strip the copper conductor to the recommended length, insert it into the female disconnect, and crimp using the appropriate die for Die Code 54. Ensure the purple body is fully seated. Follow standard electrical safety practices and torque specifications.

Used in

Common applications for THOMAS
Electrical power distribution — TBM14M self-contained hydraulic crimper for compression lugs and splices on #8 to 900 kcmil copper conductors
Industrial maintenance — TBM5-S, TBM6S, or TBM8S manual controlled-cycle ratchet crimpers for consistent crimping of compression lugs and splices
Motor control centers — MD10F-3, MD6F-2, or MD1614F-1 female motor lead disconnects for quick connection and disconnection of motor leads
Utility substations — TBM14M hydraulic crimper for aluminum conductors up to 750 kcmil in compression terminations
Electrical enclosures — 5261 rubber sealing washer with stainless steel insert for 3/8-inch conduit to maintain liquid-tight seals
Switchgear and panel shops — Thomas & Betts motor lead disconnects with color-coded bodies and die codes for wire ranges from 16 AWG to 1/0 AWG
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THOMAS Products

3G Electric supplies THOMAS female motor lead disconnects. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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